java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--em28xx--em28xx-dvb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 11:02:10,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 11:02:10,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 11:02:10,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 11:02:10,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 11:02:10,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 11:02:10,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 11:02:10,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 11:02:10,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 11:02:10,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 11:02:10,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 11:02:10,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 11:02:10,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 11:02:10,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 11:02:11,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 11:02:11,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 11:02:11,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 11:02:11,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 11:02:11,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 11:02:11,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 11:02:11,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 11:02:11,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 11:02:11,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 11:02:11,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 11:02:11,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 11:02:11,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 11:02:11,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 11:02:11,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 11:02:11,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 11:02:11,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 11:02:11,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 11:02:11,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 11:02:11,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 11:02:11,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 11:02:11,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 11:02:11,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 11:02:11,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 11:02:11,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 11:02:11,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 11:02:11,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 11:02:11,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 11:02:11,043 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 11:02:11,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 11:02:11,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 11:02:11,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 11:02:11,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 11:02:11,077 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 11:02:11,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 11:02:11,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 11:02:11,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 11:02:11,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 11:02:11,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 11:02:11,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 11:02:11,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 11:02:11,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 11:02:11,079 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 11:02:11,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 11:02:11,080 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 11:02:11,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 11:02:11,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 11:02:11,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 11:02:11,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 11:02:11,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 11:02:11,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 11:02:11,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 11:02:11,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 11:02:11,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 11:02:11,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 11:02:11,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 11:02:11,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 11:02:11,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 11:02:11,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 11:02:11,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 11:02:11,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 11:02:11,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 11:02:11,383 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 11:02:11,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--em28xx--em28xx-dvb.ko-entry_point.cil.out.i [2019-10-07 11:02:11,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2277b492/fd6d1ec74b7140298d6a52cbc53ee36b/FLAGd2d1b36f5 [2019-10-07 11:02:12,456 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 11:02:12,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--em28xx--em28xx-dvb.ko-entry_point.cil.out.i [2019-10-07 11:02:12,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2277b492/fd6d1ec74b7140298d6a52cbc53ee36b/FLAGd2d1b36f5 [2019-10-07 11:02:12,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2277b492/fd6d1ec74b7140298d6a52cbc53ee36b [2019-10-07 11:02:12,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 11:02:12,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 11:02:12,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 11:02:12,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 11:02:12,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 11:02:12,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:02:12" (1/1) ... [2019-10-07 11:02:12,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ed2c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:02:12, skipping insertion in model container [2019-10-07 11:02:12,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:02:12" (1/1) ... [2019-10-07 11:02:12,865 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 11:02:13,069 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 11:02:13,810 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4481] [2019-10-07 11:02:15,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:02:15,527 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 11:02:15,796 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4481] [2019-10-07 11:02:16,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:02:16,505 INFO L192 MainTranslator]: Completed translation [2019-10-07 11:02:16,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:02:16 WrapperNode [2019-10-07 11:02:16,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 11:02:16,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 11:02:16,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 11:02:16,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 11:02:16,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:02:16" (1/1) ... [2019-10-07 11:02:16,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:02:16" (1/1) ... [2019-10-07 11:02:16,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:02:16" (1/1) ... [2019-10-07 11:02:16,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:02:16" (1/1) ... [2019-10-07 11:02:16,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:02:16" (1/1) ... [2019-10-07 11:02:16,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:02:16" (1/1) ... [2019-10-07 11:02:16,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:02:16" (1/1) ... [2019-10-07 11:02:16,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 11:02:16,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 11:02:16,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 11:02:16,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 11:02:16,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:02:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 11:02:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 11:02:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 11:02:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 11:02:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-07 11:02:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 11:02:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 11:02:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 11:02:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 11:02:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2019-10-07 11:02:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 11:02:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-10-07 11:02:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 11:02:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2019-10-07 11:02:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-10-07 11:02:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-07 11:02:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-07 11:02:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-10-07 11:02:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-10-07 11:02:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 11:02:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 11:02:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 11:02:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 11:02:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 11:02:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 11:02:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 11:02:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 11:02:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 11:02:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 11:02:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 11:02:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 11:02:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-10-07 11:02:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2019-10-07 11:02:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2019-10-07 11:02:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_urb_data_copy [2019-10-07 11:02:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_start_streaming [2019-10-07 11:02:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_streaming [2019-10-07 11:02:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_start_feed [2019-10-07 11:02:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_feed [2019-10-07 11:02:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_bus_ctrl [2019-10-07 11:02:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure drxk_gate_ctrl [2019-10-07 11:02:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure hauppauge_hvr930c_init [2019-10-07 11:02:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure terratec_h5_init [2019-10-07 11:02:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure terratec_htc_stick_init [2019-10-07 11:02:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure terratec_htc_usb_xs_init [2019-10-07 11:02:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pctv_520e_init [2019-10-07 11:02:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_pctv_290e_set_lna [2019-10-07 11:02:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_pctv_292e_set_lna [2019-10-07 11:02:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_mt352_terratec_xs_init [2019-10-07 11:02:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_attach_xc3028 [2019-10-07 11:02:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_register_dvb [2019-10-07 11:02:17,026 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_unregister_dvb [2019-10-07 11:02:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_init [2019-10-07 11:02:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure prevent_sleep [2019-10-07 11:02:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_fini [2019-10-07 11:02:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_suspend [2019-10-07 11:02:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_resume [2019-10-07 11:02:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_register [2019-10-07 11:02:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_dvb_unregister [2019-10-07 11:02:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_em28xx_ops_1 [2019-10-07 11:02:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 11:02:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-10-07 11:02:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-07 11:02:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_7 [2019-10-07 11:02:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-10-07 11:02:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_9 [2019-10-07 11:02:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_10 [2019-10-07 11:02:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-10-07 11:02:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_12 [2019-10-07 11:02:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2019-10-07 11:02:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_14 [2019-10-07 11:02:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-10-07 11:02:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_16 [2019-10-07 11:02:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_17 [2019-10-07 11:02:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_18 [2019-10-07 11:02:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_19 [2019-10-07 11:02:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_20 [2019-10-07 11:02:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_21 [2019-10-07 11:02:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_22 [2019-10-07 11:02:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_23 [2019-10-07 11:02:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_24 [2019-10-07 11:02:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_25 [2019-10-07 11:02:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_26 [2019-10-07 11:02:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_27 [2019-10-07 11:02:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_28 [2019-10-07 11:02:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_29 [2019-10-07 11:02:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 11:02:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 11:02:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 11:02:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 11:02:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 11:02:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-07 11:02:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-07 11:02:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-07 11:02:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-07 11:02:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-07 11:02:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 11:02:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-07 11:02:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 11:02:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-07 11:02:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-10-07 11:02:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-10-07 11:02:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2019-10-07 11:02:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2019-10-07 11:02:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2019-10-07 11:02:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter [2019-10-07 11:02:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2019-10-07 11:02:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2019-10-07 11:02:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2019-10-07 11:02:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_resume [2019-10-07 11:02:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_suspend [2019-10-07 11:02:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2019-10-07 11:02:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2019-10-07 11:02:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2019-10-07 11:02:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2019-10-07 11:02:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2019-10-07 11:02:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-10-07 11:02:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_alloc_urbs [2019-10-07 11:02:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_gpio_set [2019-10-07 11:02:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_init_usb_xfer [2019-10-07 11:02:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_register_extension [2019-10-07 11:02:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_mode [2019-10-07 11:02:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_setup_xc3028 [2019-10-07 11:02:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_urbs [2019-10-07 11:02:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_uninit_usb_xfer [2019-10-07 11:02:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_unregister_extension [2019-10-07 11:02:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg [2019-10-07 11:02:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg_bits [2019-10-07 11:02:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2019-10-07 11:02:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_request_one [2019-10-07 11:02:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2019-10-07 11:02:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2019-10-07 11:02:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2019-10-07 11:02:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2019-10-07 11:02:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_1 [2019-10-07 11:02:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 11:02:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-10-07 11:02:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_start_1 [2019-10-07 11:02:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop_1 [2019-10-07 11:02:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-07 11:02:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 11:02:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 11:02:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 11:02:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 11:02:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 11:02:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-10-07 11:02:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-07 11:02:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-07 11:02:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 11:02:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 11:02:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 11:02:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 11:02:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 11:02:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 11:02:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 11:02:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-07 11:02:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 11:02:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 11:02:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-07 11:02:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-10-07 11:02:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-07 11:02:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-07 11:02:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 11:02:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 11:02:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 11:02:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-07 11:02:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-07 11:02:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 11:02:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-10-07 11:02:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 11:02:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-10-07 11:02:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-10-07 11:02:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-10-07 11:02:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-10-07 11:02:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_7 [2019-10-07 11:02:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_9 [2019-10-07 11:02:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_10 [2019-10-07 11:02:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_12 [2019-10-07 11:02:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_16 [2019-10-07 11:02:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_19 [2019-10-07 11:02:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_21 [2019-10-07 11:02:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_23 [2019-10-07 11:02:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_25 [2019-10-07 11:02:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-07 11:02:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-10-07 11:02:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-10-07 11:02:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2019-10-07 11:02:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_14 [2019-10-07 11:02:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-10-07 11:02:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_17 [2019-10-07 11:02:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_18 [2019-10-07 11:02:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_20 [2019-10-07 11:02:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_22 [2019-10-07 11:02:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_24 [2019-10-07 11:02:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_26 [2019-10-07 11:02:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_27 [2019-10-07 11:02:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_28 [2019-10-07 11:02:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_29 [2019-10-07 11:02:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-07 11:02:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-07 11:02:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 11:02:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 11:02:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 11:02:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 11:02:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 11:02:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 11:02:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 11:02:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 11:02:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 11:02:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 11:02:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 11:02:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 11:02:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 11:02:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 11:02:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 11:02:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 11:02:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 11:02:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 11:02:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 11:02:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 11:02:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 11:02:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_em28xx_ops_1 [2019-10-07 11:02:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-07 11:02:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 11:02:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-10-07 11:02:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 11:02:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 11:02:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 11:02:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 11:02:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 11:02:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure down [2019-10-07 11:02:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-10-07 11:02:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-07 11:02:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2019-10-07 11:02:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2019-10-07 11:02:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2019-10-07 11:02:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2019-10-07 11:02:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2019-10-07 11:02:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2019-10-07 11:02:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-10-07 11:02:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2019-10-07 11:02:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_suspend [2019-10-07 11:02:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_resume [2019-10-07 11:02:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg [2019-10-07 11:02:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg_bits [2019-10-07 11:02:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_alloc_urbs [2019-10-07 11:02:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_init_usb_xfer [2019-10-07 11:02:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_uninit_usb_xfer [2019-10-07 11:02:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_urbs [2019-10-07 11:02:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_mode [2019-10-07 11:02:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_gpio_set [2019-10-07 11:02:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_register_extension [2019-10-07 11:02:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_unregister_extension [2019-10-07 11:02:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_tuner_callback [2019-10-07 11:02:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_setup_xc3028 [2019-10-07 11:02:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_free_device [2019-10-07 11:02:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2019-10-07 11:02:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2019-10-07 11:02:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter [2019-10-07 11:02:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2019-10-07 11:02:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2019-10-07 11:02:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2019-10-07 11:02:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2019-10-07 11:02:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2019-10-07 11:02:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_request_one [2019-10-07 11:02:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2019-10-07 11:02:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-07 11:02:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2019-10-07 11:02:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_urb_data_copy [2019-10-07 11:02:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_start_streaming [2019-10-07 11:02:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_streaming [2019-10-07 11:02:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_start_feed [2019-10-07 11:02:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_feed [2019-10-07 11:02:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_bus_ctrl [2019-10-07 11:02:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure drxk_gate_ctrl [2019-10-07 11:02:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-07 11:02:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure hauppauge_hvr930c_init [2019-10-07 11:02:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure terratec_h5_init [2019-10-07 11:02:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure terratec_htc_stick_init [2019-10-07 11:02:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure terratec_htc_usb_xs_init [2019-10-07 11:02:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure pctv_520e_init [2019-10-07 11:02:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_pctv_290e_set_lna [2019-10-07 11:02:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_pctv_292e_set_lna [2019-10-07 11:02:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_mt352_terratec_xs_init [2019-10-07 11:02:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_attach_xc3028 [2019-10-07 11:02:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 11:02:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_register_dvb [2019-10-07 11:02:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-07 11:02:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_unregister_dvb [2019-10-07 11:02:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_init [2019-10-07 11:02:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 11:02:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~int~TO~$Pointer$ [2019-10-07 11:02:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 11:02:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-10-07 11:02:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-07 11:02:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2019-10-07 11:02:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure prevent_sleep [2019-10-07 11:02:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_fini [2019-10-07 11:02:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_suspend [2019-10-07 11:02:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_resume [2019-10-07 11:02:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_register [2019-10-07 11:02:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_dvb_unregister [2019-10-07 11:02:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-10-07 11:02:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2019-10-07 11:02:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop_1 [2019-10-07 11:02:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 11:02:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 11:02:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_start_1 [2019-10-07 11:02:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_1 [2019-10-07 11:02:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 11:02:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 11:02:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 11:02:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 11:02:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 11:02:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 11:02:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-07 11:02:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-07 11:02:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-07 11:02:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 11:02:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 11:02:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 11:02:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 11:02:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 11:02:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 11:02:18,560 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 11:02:41,804 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-07 11:03:00,913 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 11:03:00,913 INFO L284 CfgBuilder]: Removed 24 assume(true) statements. [2019-10-07 11:03:00,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:03:00 BoogieIcfgContainer [2019-10-07 11:03:00,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 11:03:00,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 11:03:00,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 11:03:00,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 11:03:00,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 11:02:12" (1/3) ... [2019-10-07 11:03:00,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5446e26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:03:00, skipping insertion in model container [2019-10-07 11:03:00,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:02:16" (2/3) ... [2019-10-07 11:03:00,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5446e26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:03:00, skipping insertion in model container [2019-10-07 11:03:00,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:03:00" (3/3) ... [2019-10-07 11:03:00,924 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--usb--em28xx--em28xx-dvb.ko-entry_point.cil.out.i [2019-10-07 11:03:00,934 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 11:03:00,948 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 11:03:00,960 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 11:03:01,007 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 11:03:01,007 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 11:03:01,007 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 11:03:01,007 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 11:03:01,007 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 11:03:01,008 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 11:03:01,008 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 11:03:01,008 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 11:03:01,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states. [2019-10-07 11:03:01,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-07 11:03:01,073 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:03:01,074 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:03:01,077 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:03:01,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:03:01,083 INFO L82 PathProgramCache]: Analyzing trace with hash -2113828909, now seen corresponding path program 1 times [2019-10-07 11:03:01,092 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:03:01,092 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:03:01,092 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:03:01,093 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:03:01,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:03:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:03:02,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 11:03:02,172 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:03:02,173 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:03:02,173 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:03:02,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:03:02,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:03:02,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:03:02,195 INFO L87 Difference]: Start difference. First operand 1664 states. Second operand 3 states. [2019-10-07 11:03:06,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:03:06,808 INFO L93 Difference]: Finished difference Result 4775 states and 6951 transitions. [2019-10-07 11:03:06,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:03:06,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-07 11:03:06,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:03:06,849 INFO L225 Difference]: With dead ends: 4775 [2019-10-07 11:03:06,849 INFO L226 Difference]: Without dead ends: 3158 [2019-10-07 11:03:06,864 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:03:06,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2019-10-07 11:03:07,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 3155. [2019-10-07 11:03:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3155 states. [2019-10-07 11:03:07,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 4486 transitions. [2019-10-07 11:03:07,175 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 4486 transitions. Word has length 34 [2019-10-07 11:03:07,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:03:07,176 INFO L462 AbstractCegarLoop]: Abstraction has 3155 states and 4486 transitions. [2019-10-07 11:03:07,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:03:07,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 4486 transitions. [2019-10-07 11:03:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-07 11:03:07,188 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:03:07,189 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:03:07,189 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:03:07,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:03:07,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1826409490, now seen corresponding path program 1 times [2019-10-07 11:03:07,190 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:03:07,190 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:03:07,190 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:03:07,190 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:03:07,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:03:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:03:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 11:03:08,802 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:03:08,803 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:03:08,803 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:03:08,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:03:08,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:03:08,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:03:08,805 INFO L87 Difference]: Start difference. First operand 3155 states and 4486 transitions. Second operand 3 states. [2019-10-07 11:03:09,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:03:09,064 INFO L93 Difference]: Finished difference Result 9440 states and 13547 transitions. [2019-10-07 11:03:09,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:03:09,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-07 11:03:09,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:03:09,105 INFO L225 Difference]: With dead ends: 9440 [2019-10-07 11:03:09,106 INFO L226 Difference]: Without dead ends: 6287 [2019-10-07 11:03:09,122 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:03:09,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6287 states. [2019-10-07 11:03:09,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6287 to 6275. [2019-10-07 11:03:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6275 states. [2019-10-07 11:03:09,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6275 states to 6275 states and 8975 transitions. [2019-10-07 11:03:09,514 INFO L78 Accepts]: Start accepts. Automaton has 6275 states and 8975 transitions. Word has length 37 [2019-10-07 11:03:09,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:03:09,515 INFO L462 AbstractCegarLoop]: Abstraction has 6275 states and 8975 transitions. [2019-10-07 11:03:09,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:03:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 6275 states and 8975 transitions. [2019-10-07 11:03:09,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 11:03:09,518 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:03:09,518 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:03:09,519 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:03:09,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:03:09,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1323342033, now seen corresponding path program 1 times [2019-10-07 11:03:09,519 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:03:09,520 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:03:09,520 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:03:09,520 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:03:09,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:03:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:03:09,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 11:03:09,940 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:03:09,940 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:03:09,940 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:03:09,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:03:09,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:03:09,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:03:09,941 INFO L87 Difference]: Start difference. First operand 6275 states and 8975 transitions. Second operand 3 states. [2019-10-07 11:03:12,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:03:12,401 INFO L93 Difference]: Finished difference Result 12793 states and 18274 transitions. [2019-10-07 11:03:12,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:03:12,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-07 11:03:12,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:03:12,456 INFO L225 Difference]: With dead ends: 12793 [2019-10-07 11:03:12,456 INFO L226 Difference]: Without dead ends: 6529 [2019-10-07 11:03:12,493 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:03:12,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6529 states. [2019-10-07 11:03:12,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6529 to 6517. [2019-10-07 11:03:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6517 states. [2019-10-07 11:03:12,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6517 states to 6517 states and 9296 transitions. [2019-10-07 11:03:12,850 INFO L78 Accepts]: Start accepts. Automaton has 6517 states and 9296 transitions. Word has length 45 [2019-10-07 11:03:12,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:03:12,851 INFO L462 AbstractCegarLoop]: Abstraction has 6517 states and 9296 transitions. [2019-10-07 11:03:12,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:03:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 6517 states and 9296 transitions. [2019-10-07 11:03:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-07 11:03:12,854 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:03:12,854 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:03:12,855 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:03:12,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:03:12,855 INFO L82 PathProgramCache]: Analyzing trace with hash -816851545, now seen corresponding path program 1 times [2019-10-07 11:03:12,855 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:03:12,856 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:03:12,856 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:03:12,856 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:03:12,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:03:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:03:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 11:03:13,331 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:03:13,331 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:03:13,331 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:03:13,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:03:13,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:03:13,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:03:13,332 INFO L87 Difference]: Start difference. First operand 6517 states and 9296 transitions. Second operand 3 states. [2019-10-07 11:03:18,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:03:18,501 INFO L93 Difference]: Finished difference Result 14035 states and 19942 transitions. [2019-10-07 11:03:18,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:03:18,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2019-10-07 11:03:18,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:03:18,561 INFO L225 Difference]: With dead ends: 14035 [2019-10-07 11:03:18,562 INFO L226 Difference]: Without dead ends: 7535 [2019-10-07 11:03:18,595 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:03:18,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7535 states. [2019-10-07 11:03:18,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7535 to 7521. [2019-10-07 11:03:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7521 states. [2019-10-07 11:03:19,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7521 states to 7521 states and 10562 transitions. [2019-10-07 11:03:19,004 INFO L78 Accepts]: Start accepts. Automaton has 7521 states and 10562 transitions. Word has length 73 [2019-10-07 11:03:19,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:03:19,007 INFO L462 AbstractCegarLoop]: Abstraction has 7521 states and 10562 transitions. [2019-10-07 11:03:19,007 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:03:19,007 INFO L276 IsEmpty]: Start isEmpty. Operand 7521 states and 10562 transitions. [2019-10-07 11:03:19,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 11:03:19,009 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:03:19,009 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:03:19,009 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:03:19,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:03:19,010 INFO L82 PathProgramCache]: Analyzing trace with hash 583078768, now seen corresponding path program 1 times [2019-10-07 11:03:19,010 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:03:19,010 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:03:19,010 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:03:19,010 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:03:19,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:03:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:03:23,392 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1186) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:574) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:55) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-07 11:03:23,404 INFO L168 Benchmark]: Toolchain (without parser) took 70552.47 ms. Allocated memory was 146.3 MB in the beginning and 1.1 GB in the end (delta: 918.0 MB). Free memory was 85.9 MB in the beginning and 573.3 MB in the end (delta: -487.4 MB). Peak memory consumption was 430.7 MB. Max. memory is 7.1 GB. [2019-10-07 11:03:23,405 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 11:03:23,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3656.70 ms. Allocated memory was 146.3 MB in the beginning and 268.4 MB in the end (delta: 122.2 MB). Free memory was 85.7 MB in the beginning and 165.5 MB in the end (delta: -79.8 MB). Peak memory consumption was 132.8 MB. Max. memory is 7.1 GB. [2019-10-07 11:03:23,411 INFO L168 Benchmark]: Boogie Preprocessor took 418.28 ms. Allocated memory is still 268.4 MB. Free memory was 165.5 MB in the beginning and 120.9 MB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. [2019-10-07 11:03:23,413 INFO L168 Benchmark]: RCFGBuilder took 43990.30 ms. Allocated memory was 268.4 MB in the beginning and 843.1 MB in the end (delta: 574.6 MB). Free memory was 120.9 MB in the beginning and 340.0 MB in the end (delta: -219.0 MB). Peak memory consumption was 656.1 MB. Max. memory is 7.1 GB. [2019-10-07 11:03:23,414 INFO L168 Benchmark]: TraceAbstraction took 22482.45 ms. Allocated memory was 843.1 MB in the beginning and 1.1 GB in the end (delta: 221.2 MB). Free memory was 340.0 MB in the beginning and 573.3 MB in the end (delta: -233.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 11:03:23,427 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3656.70 ms. Allocated memory was 146.3 MB in the beginning and 268.4 MB in the end (delta: 122.2 MB). Free memory was 85.7 MB in the beginning and 165.5 MB in the end (delta: -79.8 MB). Peak memory consumption was 132.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 418.28 ms. Allocated memory is still 268.4 MB. Free memory was 165.5 MB in the beginning and 120.9 MB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 43990.30 ms. Allocated memory was 268.4 MB in the beginning and 843.1 MB in the end (delta: 574.6 MB). Free memory was 120.9 MB in the beginning and 340.0 MB in the end (delta: -219.0 MB). Peak memory consumption was 656.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22482.45 ms. Allocated memory was 843.1 MB in the beginning and 1.1 GB in the end (delta: 221.2 MB). Free memory was 340.0 MB in the beginning and 573.3 MB in the end (delta: -233.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...